Put the mattress on top of the car and rope so that it goes length wise with the length of the car see pics above.
Tie box spring to roof rack.
Tie down the boards lengthwise and widthwise similar to how you d secure a mattress.
With the third option crossbars with side rails you can secure an item to the side rails and run tie downs from front to back securing them to the crossbars.
Racv s ernest litera shares some practical tips on roof rack safety loading.
Don t buy ratcheting tie dows unless you plan haul stuff frequently on your roof which is highly unlikely since you are asking here how to secure a mattress and box spring.
What types of tie downs work best.
Learn how to safely secure items to your car s roof racks.
On each side of the roof you ll see a rack that runs the length of the roof of the vehicle.
Make sure your ro.
When it comes to sporting goods it s worthwhile to invest in custom built roof equipment leanse says like a dedicated rack for bicycles snowboards kayaks or surfboards.
Lay a long piece of rope lengthwise along the roof of the vehicle.
Remove your rack when not in use to avoid the added weight drag and noise.
Roof racks have been known to fail at high speeds with lots of updraft so take the extra precaution of tying the roof rack down to the roof of the vehicle as well.
With the help of your assistant lift the covered mattress onto the roof of the car making sure it s centered.
Use a tie down that wraps around the item and the rails.
Use ratchet or cam straps to tie the roof rack through the doors not the windows.
Roll down all windows tie the rope that you placed the mattress on in place.
Put a piece of rope on the roof of the car that goes from back bumper to front bumper.
If you don t have a roof rack you may want to lay a moving blanket down first to protect your paint job.
First loop the strap under the roof rack s crossbar and drape the loose ends over your oblong load i e.
Lift the mattress or box spring onto the roof.